March 28, 2015 • 23m
The team updates an engine on a numbers-matching 1972 Chevelle big block.
April 4, 2015 • 23m
The ladies install a new exhaust, air intake and tuner; getting the power to the ground.
April 11, 2015 • 23m
The ladies diagnose problems on a farm Jeep, make the necessary repairs, and take the fixed vehicle out for a test drive.
April 18, 2015 • 23m
The owner of a 1998 Hummer H1 needs the women to add a 3-inch body lift to his vehicle so it can accommodate a new ladder rack.
April 25, 2015 • 23m
The women install an Edelbrock supercharger and a Borla exhaust on a 2012 Chevrolet Silverado.
May 2, 2015 • 23m
Jared Zimmerman from "Car Fix" challenges the girls to pull an original engine on a Pontiac Trans Am Y88.
August 15, 2015 • 23m
The team puts finishing touches on a special Chevrolet Camaro, including custom steering and custom gauges.
August 22, 2015 • 23m
After a 1969 AMC AMX leaves the paint shop, the ladies turn their attention to the vehicle's engine and suspension.
August 29, 2015 • 23m
A Raptor clone is created using a stock Ford F150.
September 5, 2015 • 23m
The crew adds a LS3 engine to a 370 Z.
September 12, 2015 • 23m
Episode 11 of Season 4 premiered on September 12, 2015
September 19, 2015 • 23m
An LT1 engine is upgraded.
September 26, 2015 • 23m
Episode 13 of Season 4 premiered on September 26, 2015